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HIVE-29230: Iceberg: Reads fails after Schema evolution with complex type columns #6106
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deniskuzZ
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Sep 29, 2025
iceberg/iceberg-handler/src/test/queries/positive/iceberg_add_complex_column.q
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deniskuzZ
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ql/src/java/org/apache/hadoop/hive/ql/io/parquet/vector/VectorizedParquetRecordReader.java
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difin
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ql/src/java/org/apache/hadoop/hive/ql/io/parquet/vector/VectorizedParquetRecordReader.java
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LGTM. I added a minor suggestion to explain in the comment how this adds support for schema evolution. |
difin
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deniskuzZ
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iceberg/iceberg-handler/src/test/queries/positive/iceberg_add_complex_column.q
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What changes were proposed in this pull request?
Prevent Reads from failing after schema evolution with complex column types
Why are the changes needed?
To prevent reads from failing after we add a complex type column to an existing table with data
Does this PR introduce any user-facing change?
Yes, reads don't fail after adding a complex type column
How was this patch tested?
UT